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Page: 6

English | 7
Bosch Power Tools F 016 L70 777 | (27.10.10)
en
Safety Notes
Warning! Read these instructions carefully, be
familiar with the controls and the proper use
of the machine. Please keep the instructions
safe for later use!
Explanation of symbols on the cordless trim-
mer
General hazard safety alert.
Read instruction manual.
Wear eye protection.
Pay attention that bystanders are not injured
through foreign objects thrown from the ma-
chine.
Keep bystanders a safe distance away from the
machine.
Remove battery before adjusting or
cleaning, and before leaving the ma-
chine unattended for any period.
Do not work in the rain or leave the
cordless trimmer outdoors whilst it is
raining.
Do not use the charger if the cord is
damaged.
Machine-specific Safety Warnings
f This tool is not intended for use by persons
(including children) with reduced physical,
sensory or mental capabilities, or lack of ex-
perience and knowledge, unless they have
been given supervision or instruction con-
cerning use of the appliance by a person re-
sponsible for their safety.
Children should be supervised to ensure that
they do not play with the appliance.
f Never allow children or people unfamiliar
with these instructions to use the cordless
trimmer. Local regulations may restrict the
age of the operator. When not in use store
the trimmer out of reach of children.
f Do not operate the cordless trimmer when
barefoot or wearing open sandals; always
wear substantial footwear and long trousers.
f Never operate the machine while people, es-
pecially children or pets, are nearby.
f The operator or user is responsible for acci-
dents or hazards occurring to other people
or their property.
f Wait until the blade has completely stopped
before touching it. The blade continues to ro-
tate after the trimmer is switched off; a rotat-
ing blade can cause injury.
f Work only in daylight or in good artificial
light.
f Avoid operating the cordless trimmer in wet
grass, where feasible.
f Switch off when transporting the cordless
trimmer to and from the area to be worked
on.
f Switch on the cordless trimmer with hands
and feet well away from the rotating blade.
f Do not put hands or feet near the rotating
blade.
f Never use a metal blade in this trimmer.
f Never operate the cordless trimmer with
damaged guards or shields or without guards
or shields in position.
f Before using the machine and after impact,
check for signs of wear or damage, and re-
pair if necessary.
d.c.
a.c.

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8 | English
F 016 L70 777 | (27.10.10) Bosch Power Tools
f Inspect and maintain the cordless trimmer
regularly.
f Have the cordless trimmer repaired only by
an authorised customer service agent.
f Always ensure that the ventilation slots are
kept clear of debris.
f Switch off and remove the battery:
– whenever you leave the machine unat-
tended for any period
– before replacing the blade
– before cleaning or working on the cord-
less trimmer.
f Ensure the switch is in the off position be-
fore inserting battery pack. Inserting the
battery pack into machines that have the
switch on invites accidents.
f Store the machine in a secure dry place out
of the reach of children. Do not place other
objects on top of the machine.
f Replace worn or damaged parts for safety.
f Ensure replacement parts fitted are Bosch
approved.
f Use only Bosch battery packs intended spe-
cifically for the machine. Use of any other
battery packs may create a risk of injury and
fire.
f Do not open the battery. Danger of short-
circuiting.
Protect the battery against heat, e. g.,
against continuous intense sunlight,
fire, water, and moisture. Danger of
explosion.
f When battery pack is not in use, keep it
away from other metal objects like paper
clips, coins, keys, nails, screws, or other
small metal objects that can make a connec-
tion from one terminal to another. Shorting
the battery terminals together may cause
burns or a fire.
f Under abusive conditions, liquid may be
ejected from the battery; avoid contact. If
contact accidentally occurs, flush with wa-
ter. If liquid contacts eyes, additionally seek
medical help. Liquid ejected from the battery
may cause skin irritation or burns.
f In case of damage and improper use of the
battery, vapours may be emitted. Provide
for fresh air and seek medical help in case
of complaints. The vapours can irritate the
respiratory system.
f Recharge only with the charger specified by
the manufacturer. A charger that is suitable
for one type of battery pack may create a risk
of fire when used with another battery pack.
f When the battery is defective, liquid can es-
cape and come into contact with adjacent
components. Check any parts concerned.
Clean such parts or replace them, if required.
f Use the battery only in conjunction with
your Bosch garden product. This measure
alone protects the battery against dangerous
overload.
Safety Warnings for battery chargers
Keep the battery charger away from
rain or moisture. Penetration of water
in the battery charger increases the
risk of an electric shock.
f Only charge Bosch lithium ion batteries or
batteries installed in Bosch products with
the voltages listed in the technical data.
Otherwise there is danger of fire and explo-
sion.
f Keep the battery charger clean. Contamina-
tion can lead to danger of an electric shock.
f Before each use, check the battery charger,
cable and plug. If damage is detected, do
not use the battery charger. Never open the
battery charger yourself. Have repairs per-
formed only by a qualified technician and
only using original spare parts. Damaged
battery chargers, cables and plugs increase
the risk of an electric shock.
f Do not operate the battery charger on easi-
ly inflammable surfaces (e. g., paper, tex-
tiles, etc.) or surroundings. The heating of
the battery charger during the charging proc-
ess can pose a fire hazard.
f Children should be supervised to ensure
that they do not play with the battery charg-
er.

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English | 9
Bosch Power Tools F 016 L70 777 | (27.10.10)
f Children or persons with mental or physical
limitations may only use the charger under
supervision or after having been instructed.
A thorough introduction reduces operating
errors and injuries.
Products sold in GB only: Your product is fitted
with an BS 1363/A approved electric plug with
internal fuse (ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets,
it should be cut off and an appropriate plug fit-
ted in its place by an authorised customer serv-
ice agent. The replacement plug should have the
same fuse rating as the original plug.
The severed plug must be disposed of to avoid a
possible shock hazard and should never be in-
serted into a mains socket elsewhere.
Functional Description
Read all safety warnings and all in-
structions. Failure to follow the
warnings and instructions may re-
sult in electric shock, fire and/or se-
rious injury.
Intended Use
The machine is intended for the cutting of grass
and weeds under bushes, as well as on slopes
and edges that can not be reached with the lawn
mower.
Intended use is related to operation within 0 °C
and 40 °C ambient temperature.
Delivery Scope
Carefully remove the garden product from its
packaging and check if the following parts are
complete:
– Cordless trimmer
– Blade guard
– Adjustable handle (fitted)
– Cutting disc
– Blade
– Operating instructions
Battery and charger are included in certain exe-
cutions.
When parts are missing or damaged, please con-
tact your dealer.
Product Features
The numbering of the garden product features
refers to the illustration of the garden product
on the graphics page.
1 On/Off switch
2 Lock-off button for On/Off switch
3 Handle
4 Handle screw
5 Adjustable handle
6 Adjusting collar
7 Shaft
8 Ventilation slots
9 Trimmer head
10 Blade
11 Blade guard
12 Foot pedal for trimmer-head angle adjust-
ment
13 LED indicator
14 Battery charger
15 Battery
16 Serial number
17 Cutting disc
18 Pin
19 Plant protector
Accessories shown or described are not part of the
standard delivery scope of the product. A complete
overview of accessories can be found in our acces-
sories program.

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12 | English
F 016 L70 777 | (27.10.10) Bosch Power Tools
The battery is equipped with temperature mon-
itoring that allows charging only in the tempera-
ture range between 0 °C and 45 °C. In this man-
ner, a high battery service life is achieved.
Note: The battery is supplied partially charged.
To ensure full capacity of the battery, complete-
ly charge the battery in the battery charger be-
fore using your power tool for the first time.
The lithium ion battery can be charged at any
time without reducing its service life. Interrupt-
ing the charging procedure does not damage the
battery.
Removing the Battery (see figure A)
Press the battery unlocking button and pull out
the battery 15 toward the rear.
Charging Procedure (see figure A)
The charging procedure starts as soon as the
mains plug is plugged into the socket and the
battery is then inserted into the battery charger
14.
Firstly, place the battery 15 as shown in the fig-
ure onto the front of the battery charger (n) and
then press the battery 15 down at the rear (o).
To remove the battery, proceed in reverse order.
Due to the intelligent charging method, the
charging condition of the battery is automatical-
ly detected and the battery is charged with the
optimum charging current, depending on bat-
tery temperature and voltage.
This gives longer life to the battery and always
leaves it fully charged when kept in the charger
for storage.
Note: The charging procedure is only possible
when the battery temperature is within the al-
lowable charging temperature range, see sec-
tion “Technical Data”.
Flashing Battery Charge Indicator 13
The charging procedure is sig-
nalled by a flashing battery
charge indicator 13.
Continuous Lighting of the Battery Charge In-
dicator 13
Continuous lighting of the
battery charge indicator 13
indicates that the battery is
fully charged or that the tem-
perature of the battery is not within the allowa-
ble charging temperature range, and cannot be
charged for this reason. The battery is charged
as soon as the allowable charging temperature
range is reached.
When the battery is not inserted, continuous
lighting of the battery charge indicator 13 indi-
cates that the mains plug is inserted in the sock-
et and that the battery charger is ready for oper-
ation.
Charging Advice
With continuous or several repetitive charging
cycles without interruption, the charger can
warm up. This is not meaningful and does not in-
dicate a technical defect of the battery charger.
A significantly reduced working period after
charging indicates that the battery is used and
must be replaced.
The “Electronic Cell Protection (ECP)” protects
the lithium ion battery against deep discharging.
When the battery is run down or discharged, the
garden product is shut off by means of a protec-
tive circuit: The blade no longer moves.
Do not continue to press the
On/Off switch after the garden
product has been automatically switched off.
The battery can be damaged.
Product Assembly
f Do not insert the battery until the cordless
trimmer is completely assembled.
f Ensure that the cordless trimmer is assem-
bled in the following order:
Mounting the Blade Guard (see figure B)
Place the blade guard 11 on the trimmer head 9.
n Hook the blade guard onto the trimmer head
and push it toward the rear.
o Press the blade guard downward until se-
curely latched (click).
WARNING

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English | 13
Bosch Power Tools F 016 L70 777 | (27.10.10)
Mounting the Cutting Disc/Blade
Press the cutting disc 17 onto the drive shaft
(click). (see figure C)
Position the blade 10 onto the pin 18, push it
down and pull it outward until it engages.
(see figure D)
Operation
Starting
f Remove stones, loose pieces of wood and
other objects from the cutting area.
f The blade continues to rotate for a few sec-
onds after the cordless trimmer is switched
off. Allow the motor/blade to stop rotating
before switching “on” again.
f Do not rapidly switch off and on.
Inserting the Battery
Insert the battery into the machine as shown.
The battery must be felt to engage.
Switching On
Press the lock-off button 2 and hold while actu-
ating the On/Off switch 1.
Release the lock-off button 2 again.
Switching Off
Release the On/Off switch 1.
Note: There is a short delay in the motor starting
after engaging the on/off switch 1.
Adjustment
Using the Adjustable Handle (see figure E)
The adjustable handle 5 can be set in various po-
sitions:
Adjusting the Trimmer Length (see figure F)
Adjusting the Trimmer-head Angle
(see figure G)
To change the cutting angle, press the foot ped-
al 12 down and move the shaft 7 to the request-
ed position.
Release the foot pedal 12.
Adjusting for Edging Mode (see figures H–I)
Adjusting the trimmer-head angle:
Moving the trimmer head:
Working Advice
Protect the battery from heat, for ex-
ample continuous exposure to sun ra-
diation and fire.
Product will not function if tempera-
ture is below 0 °C or above 45 °C!
Cutting Grass (see figure J)
Move the cordless trimmer left and right, keep-
ing it well away from the body.
The trimmer can efficiently cut grass up to a
height of 15 cm. Cut higher grass in stages.
Trimming Edges
Guide the cordless trimmer along the edge of
the lawn. Avoid contact with paved surfaces,
stones or garden walls, as this will wear the
blade rapidly.
For better control, use the plant protector 19
(accessory) as a guide. (see figure K)
n To change the position, loosen the handle
screw 4 and move the adjustable handle 5.
o Tighten the handle screw 4 securely to fix
the adjustable handle 5 in the adjusted posi-
tion.
n Turn the adjusting collar 6 by 90°.
o Pull the shaft out to increase the height, or
push the shaft in to decrease the height. Re-
tighten the adjusting collar 6.
n Press the foot pedal 12 down.
o Move the shaft 7 to the lowest position. Re-
lease the foot pedal 12 again.
n Loosen the adjusting collar 6.
o Turn the shaft 7 by 90° to adjust the trim-
mer head 9 for trimming/edging as shown.
Re-tighten the adjusting collar 6.
H
I

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14 | English
F 016 L70 777 | (27.10.10) Bosch Power Tools
Cutting Around Trees and Bushes
(see figure L)
f Carefully cut around trees and bushes so
that they do not come into contact with the
blade. Plants can die if you damage the bark.
For better control, use the plant protector 19
(accessory) as a guide. (see figure K)
Battery Duration
The battery duration is dependent on the work-
ing conditions:
Light conditions:
up to 800 metres (ART 23 LI)
up to 1000 metres (ART 26 LI)
Medium conditions:
up to 350 metres (ART 23 LI)
up to 440 metres (ART 26 LI)
Tough conditions:
up to 60 metres (ART 23 LI)
up to 75 metres (ART 26 LI)
Changing the Blade (see figure D)
f Warning: Before any work on the machine
itself, remove the battery from the ma-
chine.
To remove the worn blade 10, push it inward un-
til it snaps off of the pin 18.
Clean the pin 18 of any residual plastic/debris
with a sharp knife.
To mount a new blade 10, place the blade 10 on-
to the pin 18, push it down and pull it outward
until it engages.
Note: Only use Bosch replacement blades. They
have been developed specially for improved cut-
ting and feed performance. The use of other
blades will lead to a deterioration in perform-
ance.
Troubleshooting
The following chart lists problem symptoms, possible causes and corrective action, if your garden
product does not operate properly. If these do not identify and correct the problem, contact your
service agent.
f Warning: Switch off and remove the battery prior to any troubleshooting.
Problem Possible Cause Corrective Action
Blade guard can not be mount-
ed over cutting disc
Incorrect assembly Remove cutting disc and mount
blade guard again; also see "As-
sembly"
Trimmer fails to operate Battery discharged Recharge battery; also see “Bat-
tery Charging”
Battery too hot/cold Allow to cool/warm
Trimmer runs intermittently Internal wiring of garden prod-
uct damaged
Contact Service Agent
On/Off switch defective Contact Service Agent
Excessive vibrations/noise Garden product defective Contact Service Agent
Blade broken Replace the blade

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English | 15
Bosch Power Tools F 016 L70 777 | (27.10.10)
Maintenance and Service
Maintenance and Cleaning
f Warning: Before any work on the machine
itself, remove the battery from the ma-
chine.
Note: To ensure long and reliable service, carry
out the following maintenance regularly.
Regularly check for obvious defects such as
loose fixings, and worn or damaged compo-
nents.
Check that covers and guards are undamaged
and correctly fitted. Carry out necessary mainte-
nance or repairs before using.
If the garden product should happen to fail de-
spite the care taken in manufacture and testing,
repair should be carried out by an authorised
customer service agent for Bosch garden prod-
ucts.
In all correspondence and spare parts orders,
please always include the 10-digit article
number given on the type plate of the garden
product.
Cutting time per battery charge
too low
Battery has not been used for
long period or only for short
terms
Fully charge battery; also see
“Battery Charging”
Grass too high Cut in stages
Battery dead or defective Replace the battery
Blade will not move Battery discharged Recharge battery; also see “Bat-
tery Charging”
Garden product defective Contact Service Agent
Garden product does not cut Blade broken Replace the blade
Battery not fully charged Recharge battery; also see “Bat-
tery Charging”
Grass entangled around cutting
disc
Remove grass
Continuous lighting of the bat-
tery charge indicator 13
Battery not (properly) inserted Properly insert battery into bat-
tery charger
No charging procedure possible Battery contacts contaminated Clean the battery contacts (e.g.
by inserting and removing the
battery several times) or re-
place the battery
Battery defective Replace the battery
Battery charge indicator 13
does not light up
Mains plug of battery charger
not plugged in (properly)
Insert mains plug (fully) into the
socket outlet
Socket outlet, mains cable or
battery charger defective
Check the mains voltage; have
the battery charger checked by
an authorised after-sales service
agent for Bosch power tools
Problem Possible Cause Corrective Action

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English | 17
Bosch Power Tools F 016 L70 777 | (27.10.10)
Bosch Headquarters
Midrand, Gauteng
Tel.: +27 (011) 6 51 96 00
Fax: +27 (011) 6 51 98 80
E-Mail: rbsa-hq.pts@za.bosch.com
Transport
Dispatch batteries only when the housing is un-
damaged. Tape or mask off open contacts and
pack up the battery in such a manner that it can-
not move around in the packaging.
When dispatching lithium-ion batteries, compul-
sory labeling may be required. Please observe
the respective national regulations.
Disposal
The garden product, accessories and packaging
should be sorted for environmental-friendly re-
cycling.
Do not dispose of garden products, battery
chargers and batteries/rechargeable batteries
into household waste!
Only for EC countries:
According to the European law
2002/96/EC, electrical and elec-
tronic equipments that are no
longer usable, and according to
the European law 2006/66/EC,
defective or used battery
packs/batteries, must be collected separately
and disposed of in an environmentally correct
manner.
Batteries no longer suitable for use can be
directly returned at:
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ
Tel. Service: +44 (0844) 736 0109
Fax: +44 (0844) 736 0146
E-Mail: boschservicecentre@bosch.com
Battery packs/batteries:
Li-ion:
Please observe the instruc-
tions in section “Transport”,
page 17.
Subject to change without notice.

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